ISL59448 Datasheet, PDF (5/14 Pages) Intersil Corporation – 500MHz Triple 2:1 Gain-of-2, Multiplexing Amplifier

ISL59448
Typical Performance Curves V_S = ±5V, R_L = 500Ω to GND, T_A = 25°C, unless otherwise specified.
10
8
Vout=0.2Vp-p
6
4
2
C_L=13.1pF
C_L=9.3pF
C_L=6.7pF
C_L=5.1pF
0
-2
-4
-6
-8
C_L INCLUDES 0.6pF
BOARD CAPACITANCE
C_L=3.3pF
C_L=2.1pF
C_L=0.6pF
-10
1
10
100
1k
FREQUENCY (MHz)
FIGURE 1. SMALL SIGNAL GAIN vs FREQUENCY vs C_L
INTO 500Ω LOAD
10
8
Vout=2Vp-p
6
C_L=13.1pF
4
C_L=9.3pF
2
0
-2
C_L=5.1pF
-4
C_L=0.6pF
-6
-8
C_L INCLUDES 0.6pF
BOARD CAPACITANCE
-10
1
10
100
1k
FREQUENCY (MHz)
FIGURE 2. LARGE SIGNAL GAIN vs FREQUENCY vs C_L
INTO 500Ω LOAD
2
Vout=0.2Vp-p
1 C_L=1.1pF
0
R_L=1kΩ
R_L=500Ω
-1
R_L=150Ω
-2
R_L=250Ω
-3
-4
-5
-6
-7
-8
1
10
100
1k
FREQUENCY (MHz)
FIGURE 3. GAIN vs FREQUENCY vs R_L
100
V_SOURCE=2Vp-p
0.2 _Vout=0.2Vp-p
0.1 ^CL=1.1pF
R_L=150Ω
0
-0.1
R_L=500Ω
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
1
10
100
1k
FREQUENCY (MHz)
FIGURE 4. 0.1dB GAIN FLATNESS
10k
V_SOURCE=2Vp-p
10
1000
1
100
0.1
0.1
1
10
100
1k
FREQUENCY (MHz)
FIGURE 5. Z_OUT vs FREQUENCY - ENABLED
5
10
0.1
1
10
100
1k
FREQUENCY (MHz)
FIGURE 6. Z_OUT vs FREQUENCY - HIZ
FN6160.2
March 29, 2006